2724400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 90

約数和(自身を含む): 7668780

約数和(自身を除く): 4944380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 139, 140, 175, 196, 200, 245, 278, 280, 350, 392, 400, 490, 556, 560, 695, 700, 784, 973, 980, 1112, 1225, 1390, 1400, 1946, 1960, 2224, 2450, 2780, 2800, 3475, 3892, 3920, 4865, 4900, 5560, 6811, 6950, 7784, 9730, 9800, 11120, 13622, 13900, 15568, 19460, 19600, 24325, 27244, 27800, 34055, 38920, 48650, 54488, 55600, 68110, 77840, 97300, 108976, 136220, 170275, 194600, 272440, 340550, 389200, 544880, 681100, 1362200, 2724400]

約数ペア:

[(1, 2724400), (2, 1362200), (4, 681100), (5, 544880), (7, 389200), (8, 340550), (10, 272440), (14, 194600), (16, 170275), (20, 136220), (25, 108976), (28, 97300), (35, 77840), (40, 68110), (49, 55600), (50, 54488), (56, 48650), (70, 38920), (80, 34055), (98, 27800), (100, 27244), (112, 24325), (139, 19600), (140, 19460), (175, 15568), (196, 13900), (200, 13622), (245, 11120), (278, 9800), (280, 9730), (350, 7784), (392, 6950), (400, 6811), (490, 5560), (556, 4900), (560, 4865), (695, 3920), (700, 3892), (784, 3475), (973, 2800), (980, 2780), (1112, 2450), (1225, 2224), (1390, 1960), (1400, 1946)]